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author | Scott Moser <smoser@ubuntu.com> | 2016-08-10 09:06:15 -0600 |
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committer | Scott Moser <smoser@ubuntu.com> | 2016-08-10 09:06:15 -0600 |
commit | c3c3dc693c14175e110b5fe125d4d5f98ace9700 (patch) | |
tree | 8858702c2c8a6ad4bf1bb861a4565e0a9c28e588 /cloudinit/mergers/m_list.py | |
parent | 5bd3493d732e5b1902872958e8681f17cbc81ce5 (diff) | |
download | cloud-init-trunk.tar.gz |
cloud-init development has moved its revision control to git.
It is available at
https://code.launchpad.net/cloud-init
Clone with
git clone https://git.launchpad.net/cloud-init
or
git clone git+ssh://git.launchpad.net/cloud-init
For more information see
https://git.launchpad.net/cloud-init/tree/HACKING.rst
Diffstat (limited to 'cloudinit/mergers/m_list.py')
-rw-r--r-- | cloudinit/mergers/m_list.py | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/cloudinit/mergers/m_list.py b/cloudinit/mergers/m_list.py deleted file mode 100644 index 81e5c580..00000000 --- a/cloudinit/mergers/m_list.py +++ /dev/null @@ -1,89 +0,0 @@ -# vi: ts=4 expandtab -# -# Copyright (C) 2012 Yahoo! Inc. -# -# Author: Joshua Harlow <harlowja@yahoo-inc.com> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 3, as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import six - -DEF_MERGE_TYPE = 'replace' -MERGE_TYPES = ('append', 'prepend', DEF_MERGE_TYPE, 'no_replace') - - -def _has_any(what, *keys): - for k in keys: - if k in what: - return True - return False - - -class Merger(object): - def __init__(self, merger, opts): - self._merger = merger - # Affects merging behavior... - self._method = DEF_MERGE_TYPE - for m in MERGE_TYPES: - if m in opts: - self._method = m - break - # Affect how recursive merging is done on other primitives - self._recurse_str = _has_any(opts, 'recurse_str') - self._recurse_dict = _has_any(opts, 'recurse_dict') - self._recurse_array = _has_any(opts, 'recurse_array', 'recurse_list') - - def __str__(self): - return ('ListMerger: (method=%s,recurse_str=%s,' - 'recurse_dict=%s,recurse_array=%s)') % (self._method, - self._recurse_str, - self._recurse_dict, - self._recurse_array) - - def _on_tuple(self, value, merge_with): - return tuple(self._on_list(list(value), merge_with)) - - def _on_list(self, value, merge_with): - if (self._method == 'replace' and - not isinstance(merge_with, (tuple, list))): - return merge_with - - # Ok we now know that what we are merging with is a list or tuple. - merged_list = [] - if self._method == 'prepend': - merged_list.extend(merge_with) - merged_list.extend(value) - return merged_list - elif self._method == 'append': - merged_list.extend(value) - merged_list.extend(merge_with) - return merged_list - - def merge_same_index(old_v, new_v): - if self._method == 'no_replace': - # Leave it be... - return old_v - if isinstance(new_v, (list, tuple)) and self._recurse_array: - return self._merger.merge(old_v, new_v) - if isinstance(new_v, six.string_types) and self._recurse_str: - return self._merger.merge(old_v, new_v) - if isinstance(new_v, (dict)) and self._recurse_dict: - return self._merger.merge(old_v, new_v) - return new_v - - # Ok now we are replacing same indexes - merged_list.extend(value) - common_len = min(len(merged_list), len(merge_with)) - for i in range(0, common_len): - merged_list[i] = merge_same_index(merged_list[i], merge_with[i]) - return merged_list |